A –3 screw locations
Figure 7.44 Remove the Control Board Cooling Fan Unit
n
Installing the Control Board Cooling Fan Unit
CAUTION! Crush Hazard. Do not completely remove the cover screws, just loosen them. If the cover screws are removed completely, the
terminal cover may fall off causing an injury. Take special care when removing/reattaching the terminal covers for larger drives.
1.
Reverse the procedure described above to install the replacement control board cooling fan unit.
Note: 1. Replace the whole unit when performing maintenance on the control board cooling fan unit.
2. Do not pinch the fan cable between parts when reassembling the fan unit.
3. Tighten the screws firmly so they do not come loose.
Figure 7.45 Installing the Control Board Cooling Fan Unit
2.
Turn on the power supply and set o4-03 to 0 to reset the Maintenance Monitor control board cooling fan operation
time.
u
Drive Cooling Fan Replacement: Models 4o0720 to 4o0930
WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can result in serious
personal injury. Before servicing the drive, disconnect all power to the equipment. The internal capacitor remains charged even after the
power supply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive before touching any
components.
7.4 Drive Cooling Fans
442
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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